The 2025 Sunshine Protection Act is proposed U.S. federal legislation that would make Daylight Saving Time the permanent standard time year-round.
January 01, 2025
high
policy
Description of the legislative proposal to make Daylight Saving Time permanent.
The United States first adopted Daylight Saving Time in 1918 during World War I to extend the workday and reduce fuel usage.
January 01, 1918
high
temporal
Historical origin and rationale for the initial adoption of Daylight Saving Time in the U.S.
Biannual clock changes for Daylight Saving Time (changing clocks twice a year) have been linked in research to increased traffic accidents, disrupted student performance, and negative impacts on health.
medium
correlational
Summary of research findings reported about the effects of twice-yearly clock shifts.